forked from bartvdbraak/blender
110 lines
3.4 KiB
Python
110 lines
3.4 KiB
Python
# ##### BEGIN GPL LICENSE BLOCK #####
|
|
#
|
|
# This program is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU General Public License
|
|
# as published by the Free Software Foundation; either version 2
|
|
# of the License, or (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software Foundation,
|
|
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
#
|
|
# ##### END GPL LICENSE BLOCK #####
|
|
|
|
# <pep8 compliant>
|
|
|
|
import bpy
|
|
from rigify import RigifyError
|
|
from rigify_utils import copy_bone_simple
|
|
|
|
METARIG_NAMES = tuple()
|
|
RIG_TYPE = "stretch"
|
|
|
|
# TODO
|
|
#def metarig_template():
|
|
# # generated by rigify.write_meta_rig
|
|
# bpy.ops.object.mode_set(mode='EDIT')
|
|
# obj = bpy.context.active_object
|
|
# arm = obj.data
|
|
# bone = arm.edit_bones.new('Bone')
|
|
# bone.head[:] = 0.0000, 0.0000, 0.0000
|
|
# bone.tail[:] = 0.0000, 0.0000, 1.0000
|
|
# bone.roll = 0.0000
|
|
# bone.connected = False
|
|
#
|
|
# bpy.ops.object.mode_set(mode='OBJECT')
|
|
# pbone = obj.pose.bones['Bone']
|
|
# pbone['type'] = 'copy'
|
|
|
|
bool_map = {0: False, 1: True,
|
|
0.0: False, 1.0: True,
|
|
"false": False, "true": True,
|
|
"False": False, "True": True,
|
|
"no": False, "yes": True,
|
|
"No": False, "Yes": True}
|
|
|
|
|
|
def metarig_definition(obj, orig_bone_name):
|
|
return (orig_bone_name,)
|
|
|
|
|
|
def main(obj, bone_definition, base_names, options):
|
|
""" A stretchy bone from one bone to another.
|
|
Deformation only (no controls).
|
|
"""
|
|
# Verify required parameter
|
|
if "to" not in options:
|
|
raise RigifyError("'%s' rig type requires a 'to' parameter (bone: %s)" % (RIG_TYPE, base_names[bone_definition[0]]))
|
|
if type(options["to"]) is not str:
|
|
raise RigifyError("'%s' rig type 'to' parameter must be a string (bone: %s)" % (RIG_TYPE, base_names[bone_definition[0]]))
|
|
if ("ORG-" + options["to"]) not in obj.data.bones:
|
|
raise RigifyError("'%s' rig type 'to' parameter must name a bone in the metarig (bone: %s)" % (RIG_TYPE, base_names[bone_definition[0]]))
|
|
|
|
preserve_volume = None
|
|
# Check optional parameter
|
|
if "preserve_volume" in options:
|
|
try:
|
|
preserve_volume = bool_map[options["preserve_volume"]]
|
|
except KeyError:
|
|
preserve_volume = False
|
|
|
|
eb = obj.data.edit_bones
|
|
bb = obj.data.bones
|
|
pb = obj.pose.bones
|
|
|
|
bpy.ops.object.mode_set(mode='EDIT')
|
|
arm = obj.data
|
|
|
|
mbone1 = bone_definition[0]
|
|
mbone2 = "ORG-" + options["to"]
|
|
|
|
bone_e = copy_bone_simple(obj.data, mbone1, "DEF-%s" % base_names[bone_definition[0]])
|
|
bone_e.connected = False
|
|
bone_e.parent = eb[mbone1]
|
|
bone_e.tail = eb[mbone2].head
|
|
bone = bone_e.name
|
|
|
|
|
|
bpy.ops.object.mode_set(mode='OBJECT')
|
|
|
|
# Constraints
|
|
con = pb[bone].constraints.new('DAMPED_TRACK')
|
|
con.target = obj
|
|
con.subtarget = mbone2
|
|
|
|
con = pb[bone].constraints.new('STRETCH_TO')
|
|
con.target = obj
|
|
con.subtarget = mbone2
|
|
con.original_length = bb[bone].length
|
|
if preserve_volume:
|
|
con.volume = 'VOLUME_XZX'
|
|
else:
|
|
con.volume = 'NO_VOLUME'
|
|
|
|
return tuple()
|